3,4,5-trimethoxycinnamic acid

Water solubility

Administrative data

Endpoint:

water solubility

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2004

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference

Reference Type:

other company data

Title:

Unnamed

Year:

2004

Materials and methods

Test guideline

Qualifier:

no guideline followed

Principles of method if other than guideline:

- Principle of test: 10g of test substance was added to 1L of deionized water. The dissolved concentration after 90 hours was determined with HPLC after filtration with a 0.45 μm filter.
- Short description of test conditions: 20 +-0.5 °C in dark conditions.
- Parameters analysed / observed: dissolved concentration (with HPLC)

GLP compliance:

not specified

Type of method:

flask method

Test material

Test material information

Constituent 1

Reference substance name:

3,4,5-trimethoxycinnamic acid

EC Number:

201-999-8

EC Name:

3,4,5-trimethoxycinnamic acid

Cas Number:

90-50-6

Molecular formula:

C12H14O5

IUPAC Name:

3-(3,4,5-trimethoxyphenyl)acrylic acid

Test material form:

solid

Details on test material:

yellow

Specific details on test material used for the study:

Test substance was purchased from Firma Aceto (Charge 020619)

Results and discussion

Water solubility

Key result

Water solubility:

352 mg/L

Incubation duration:

90 h

Temp.:

20 °C

pH:

ca. 7

Remarks on result:

other: pH of deionized water

Applicant's summary and conclusion

Conclusions:

The solubility after 90 hours was 352 mg/L